Improvement in cultivators



UNITED STATES PATENT OFFICE.

G. L. HUTCHINSON, 0F WHITE ROCK, ILLINOIS.

IMPROVEMENT IN 'CULTIVATO RS.

Specification forming part of Letters Patent No. 52,049, dated January 16, 1866.

and operation ofthe same, reference being` had to the accompanying drawings, makinga part of this specification, in which- Figure l Vis a plan View of the cultivator. Fig. 2 is a side View. Fig. 3 is a view ot'the Like letters otreference rel'er to like. parts' in the several views.

My improvement relates to cultivators, as 'hereinafterdescribed.. A represents the frame of the cult-ivator, that is of`a rectangular `form, to the sides ot' which, underneath it, are connected aXle-trees B, hinged or jointed at a to the front of the frame, that extend back and are supported at the rear end by metallic braces b. The braces are secured to the axle-trees by pins c being put through holes in the braces into the axletrees. There are adjustable braces or stays c also extending down inside from the frame through a space cutout in the axle-tree, over which there is a plate, c', forming a slot, so that the braces inside can be adjusted tothe position of the axle-trees, for the rear ends of the axle-trees can be raised up or down and secured by means of holesA c" and pins. At ltherear ends of the axle-trees project axles or journals/41,', on which the Wheels of the cultilVaters are placed, as indicated at a in Fig.3. To the sides ot' the frame is pivoted, at c",

braces d, that are attachedto the ends of a` vpivoted atthe ends by slots in the arms, there being an adjustable pin, Qin one end, that, by means of holes i inthe bar, the upper ends ot the arms can be secured nearer or farther from each other, by which the distance between the blades at the lower end is regulated.

J J are foot-pieces attached tothe top of the rock-shafts, by which they can be vibrated with the feet of the driver sitting on a seat secured to the standard L.

' fm m are braces attached to the rock-shafts and arms L.

P is a bent lever extending across the top of the frame through journal-boxes lc, Whereby the frame can be moved up or down, elevating or lowering 'the blades, or the tongue is adjustable in itsconnection with the frame.

By'rai-si-ng the endP/of the lever thevctheri end, o, presses against the cross-piece E, and

by means of the braces d being pivoted to the sides of the frame the frame can be raised more or less, as may be desired and the frame can be set up higher from the ground by securing the axle-trees to the lower end of the braces b lby meansof the adjustable pin c and holes` c', as before stated.

There are slots in the upper ends of the standards b', Where they-are secured to the Vframe by a boltI and nut passing'through the slot, so that the standards can be adjusted up or down in relation to the frame.

B V means of the vibratingarms h the inner bladesvcan be moved so as to agitate or loosen up the groundin the desiredv manner by the .driver taking hold of the cross-bar I, or by the foot-pieces,` as before stated.

f What I claim as my mprayement, and de-' sire'to secure by Letters Patent, isV

1."T-he rock-shafts h', arms h, and-standards b', incombination with.' the'aXle-trees B and l adjustable braces `b @,When arranged as and- 'for the purpose set forth. A

j 2. The arrangement of the lever P and adjustable tongue D, incombination vwith the frame A and axle-trees B, when hinged to-l gether as and for the purpose described.

. e I G. L. HUTGHINSON. Witnesses:

.0. WfNoniToru G. SERIL ELBERT. 

